Home / 1,528,610.25-2,111,640.53-1,224,704.73

Finding the Fourth Proportional to 1,528,610.25, 2,111,640.53 and 1,224,704.73

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Solution

The fourth proportional to 1,528,610.25, 2,111,640.53 and 1,224,704.73 is: 1,691,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,610.25 : 2,111,640.53 = 1,224,704.73 : x
  2. Step 2: Convert to fraction form
    1,528,610.25/2,111,640.53 = 1,224,704.73/x
  3. Step 3: Cross multiply
    1,528,610.25x = 2,111,640.53 × 1,224,704.73
  4. Step 4: Simplify right side
    1,528,610.25x = 2,586,136,139,027.18
  5. Step 5: Solve for x
    x = 2,586,136,139,027.18/1,528,610.25
  6. Step 6: Final answer
    x = 1,691,821.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.